16. She insists to help / on helping with the project.
a) insists to help
b) on helping
c) help
d) No error
Answer: b) on helping
17. Our soccer team is practicing every day to get improve / to improve their skills.
a) get improve
b) to improve
c) their skills
d) No error
Answer: a) get improve
18. The dentist told me that I should brush my teeth two times / twice a day.
a) two times
b) twice a day
c) should
d) No error
Answer: d) No error
19. The police officer asked the witness to give him / her statement.
a) give him
b) her statement
c) No error
d) gives
Answer: c) No error
20. She didn’t want nobody / anybody to know about her secret.
a) didn’t want nobody
b) anybody
c) to know about
d) No error
Answer: a) didn’t want nobody
